In this file photo, Clinton Dela Cruz, back, choke-holds Vince Masga during a BJJ training session at the Trench Tech...
Trench Tech
In this undated file photo, Roman “Sonic Boom” Alvarez, left, kicks Derek “El Peligro” Rangamar in one of Trench Tech’s...
Students at Trench Tech Purebred Gym listen to their sensei during an instructional session. (Contributed Photo) Mixed martial arts fans...
Trench Tech, Inc. is inviting female members of the community to participate in a self-defense seminar this Saturday at its...
